DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 54 | 66 | 99 | e67 | 118 | 158 | 415 | 218 | 123 | 387 | 65 | 52 |
2 | 57 | 61 | 93 | 69 | 181 | 156 | 409 | 209 | 111 | 269 | 65 | 50 |
3 | 55 | 58 | 99 | 94 | 223 | 154 | 338 | 202 | 104 | 247 | 63 | 49 |
4 | 56 | 56 | 107 | 135 | 214 | 150 | 280 | 201 | 103 | 391 | 69 | 48 |
5 | 55 | 56 | 95 | 206 | 191 | 143 | 245 | 193 | 104 | 392 | 75 | 49 |
6 | 50 | 69 | 84 | 284 | 168 | 142 | 219 | 191 | 105 | 291 | 77 | 48 |
7 | 49 | 73 | 77 | 342 | 157 | 137 | 202 | 344 | 100 | 249 | 76 | 56 |
8 | 50 | 72 | 75 | 330 | 152 | 146 | 276 | 624 | 97 | 229 | 76 | 51 |
9 | 58 | 69 | 72 | 329 | 147 | 203 | 368 | 695 | 99 | 210 | 71 | 46 |
10 | 51 | 66 | 77 | 238 | 142 | 207 | 415 | 571 | 104 | 183 | 67 | 46 |
11 | 51 | 65 | 80 | e200 | 179 | 195 | 360 | 422 | 121 | 163 | 62 | 46 |
12 | 54 | 61 | 78 | e185 | 340 | 168 | 307 | 316 | 152 | 146 | 59 | 42 |
13 | 69 | 60 | 74 | e170 | 360 | 156 | 248 | 372 | 160 | 134 | 58 | 41 |
14 | 59 | 59 | 70 | e162 | 298 | 144 | 234 | 357 | 160 | 125 | 58 | 51 |
15 | 53 | 65 | 69 | e150 | 252 | 137 | 237 | 300 | 137 | 117 | 58 | 104 |
16 | 54 | 70 | 69 | e133 | 222 | 134 | 539 | 243 | 131 | 104 | 56 | 95 |
17 | 55 | 68 | 69 | e122 | 246 | 139 | 564 | 199 | 138 | 99 | 54 | 82 |
18 | 57 | 66 | 70 | e116 | 262 | 221 | 489 | 183 | 125 | 95 | 51 | 71 |
19 | 57 | 59 | 71 | e111 | 253 | 283 | 379 | 164 | 181 | 98 | 50 | 66 |
20 | 52 | 59 | 72 | e108 | 230 | 277 | 313 | 152 | 171 | 95 | 51 | 61 |
21 | 50 | 62 | 74 | e108 | 211 | 257 | 400 | 143 | 142 | 102 | 52 | 55 |
22 | 48 | 64 | 75 | e107 | 194 | 231 | 474 | 131 | 122 | 101 | 55 | 53 |
23 | 50 | 64 | 76 | e106 | 182 | 205 | 411 | 129 | 110 | 100 | 60 | 51 |
24 | 54 | 61 | 75 | e106 | 177 | 188 | 329 | 147 | 104 | 92 | 54 | 53 |
25 | 55 | 59 | 80 | 106 | 169 | 177 | 273 | 157 | 109 | 87 | 79 | 54 |
26 | 61 | 63 | 77 | 105 | 160 | 192 | 279 | 143 | 379 | 84 | 71 | 61 |
27 | 93 | 78 | 71 | 104 | 174 | 176 | 284 | 127 | 465 | 83 | 61 | 53 |
28 | 96 | 83 | 73 | 105 | 168 | 154 | 256 | 127 | 609 | 79 | 70 | 45 |
29 | 79 | 81 | 71 | 108 | --- | 154 | 237 | 138 | 735 | 73 | 68 | 48 |
30 | 77 | 100 | 71 | 109 | --- | 165 | 229 | 136 | 630 | 69 | 59 | 49 |
31 | 73 | --- | 67 | 110 | --- | 248 | --- | 135 | --- | 66 | 54 | --- |
TOTAL | 1832 | 1993 | 2410 | 4725 | 5770 | 5597 | 10009 | 7669 | 5931 | 4960 | 1944 | 1676 |
MEAN | 59.1 | 66.4 | 77.7 | 152 | 206 | 181 | 334 | 247 | 198 | 160 | 62.7 | 55.9 |
MAX | 96 | 100 | 107 | 342 | 360 | 283 | 564 | 695 | 735 | 392 | 79 | 104 |
MIN | 48 | 56 | 67 | 67 | 118 | 134 | 202 | 127 | 97 | 66 | 50 | 41 |
CFSM | .31 | .35 | .40 | .79 | 1.07 | .94 | 1.74 | 1.29 | 1.03 | .83 | .33 | .29 |
IN. | .35 | .39 | .47 | .92 | 1.12 | 1.08 | 1.94 | 1.49 | 1.15 | .96 | .38 | .32 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1966 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 103 | 125 | 146 | 121 | 163 | 255 | 262 | 181 | 158 | 113 | 88.8 | 113 |
MAX | 473 | 372 | 493 | 316 | 455 | 554 | 652 | 542 | 393 | 522 | 258 | 579 |
(WY) | 1987 | 1986 | 1983 | 1974 | 1971 | 1979 | 1993 | 1974 | 1967 | 1993 | 1972 | 1972 |
MIN | 30.7 | 36.3 | 29.9 | 28.7 | 35.8 | 62.2 | 83.8 | 55.0 | 34.6 | 26.0 | 25.3 | 21.1 |
(WY) | 1989 | 1972 | 1990 | 1977 | 1978 | 1968 | 1989 | 1989 | 1988 | 1988 | 1988 | 1988 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1966 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 49029 | 54516 | ||||
ANNUAL MEAN | 134 | 149 | 152 | |||
HIGHEST ANNUAL MEAN | 288 | 1974 | ||||
LOWEST ANNUAL MEAN | 52.4 | 1977 | ||||
HIGHEST DAILY MEAN | 1640 | Feb 22 | 735 | Jun 29 | 2580 A | Feb 21 1994 |
LOWEST DAILY MEAN | 43 | Sep 15 | 41 | Sep 13 | 10 | Aug 6 1988 |
ANNUAL SEVEN-DAY MINIMUM | 45 | Sep 9 | 46 | Sep 8 | 14 | Aug 2 1988 |
INSTANTANEOUS PEAK FLOW | 758 | Jun 29 | 2910 | Sep 26 1986 | ||
INSTANTANEOUS PEAK STAGE | 8.32 | Jun 29 | 14.26 | Sep 26 1986 | ||
INSTANTANEOUS LOW FLOW | 39 | Sep 13 | 6.6 | Aug 7 1988 | ||
ANNUAL RUNOFF (CFSM) | .70 | .78 | .79 | |||
ANNUAL RUNOFF (INCHES) | 9.50 | 10.56 | 10.78 | |||
10 PERCENT EXCEEDS | 211 | 309 | 310 | |||
50 PERCENT EXCEEDS | 90 | 105 | 99 | |||
90 PERCENT EXCEEDS | 55 | 54 | 41 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |